The 18-year-old has a growing reputation and United scouts have watched him in three of Benfica's last four games.

It is the second time the Red Devils have met with Benfica officials, who inserted a £60m buy-out clause in Sanches' contract.

But it is claimed the Portuguese side would be willing to sell for an initial bid of £30m plus add-ons.

Starsport's ultimate guide to the January transfer window

Thursday, 31st December 2015

STARSPORT take a look at where each Premier League club needs to improve and highlight two potential targets who could be signed during the window

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Arsenal: Arsene Wenger still has a few faces to come back from long-term injuries but having not purchased an outfield player in the summer he is likely to invest this time around with a defensively-minded midfielder high on his agenda